John Flaherty, MD - Medicare Infectious Disease in Chicago, IL

John Flaherty, MD is a medicare enrolled "Internal Medicine - Infectious Disease" physician in Chicago, Illinois. He graduated from medical school in 1983 and has 41 years of diverse experience with area of expertise as Infectious Disease. He is a member of the group practice Northwestern Medical Faculty Foundation and his current practice location is 676 N Saint Clair St, Suite 940, Chicago, Illinois. You can reach out to his office (for appointments etc.) via phone at (312) 926-8358.

John Flaherty is licensed to practice in Illinois (license number 036073534) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1821028150.

Contact Information

John Flaherty, MD
676 N Saint Clair St, Suite 940,
Chicago, IL 60611-2927
(312) 926-8358
(312) 926-9630



Physician's Profile

Full NameJohn Flaherty
GenderMale
SpecialityInfectious Disease
Experience41 Years
Location676 N Saint Clair St, Chicago, Illinois
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • John Flaherty graduated from medical school in 1983
  NPI Data:
  • NPI Number: 1821028150
  • Provider Enumeration Date: 07/03/2006
  • Last Update Date: 10/02/2014
  Medicare PECOS Information:
  • PECOS PAC ID: 2668486069
  • Enrollment ID: I20060206000222

Medical Identifiers

Medical identifiers for John Flaherty such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1821028150NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RI0200XInternal Medicine - Infectious Disease 036073534 (Illinois)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Northwestern Memorial HospitalChicago, ILHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Northwestern Medical Faculty Foundation45875768143255

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Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. John Flaherty allows following entities to bill medicare on his behalf.
Entity NameNorthwestern Medical Faculty Foundation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1346235314
PECOS PAC ID: 4587576814
Enrollment ID: O20031105000541

News Archive

Do patients at risk for B-cell malignancy need antiviral treatment?

Some studies have shown that a relationship of hepatitis C (HCV) infection with type II mixed cryoglobulinemia exists.

MedImmune starts phase 2 trial of antibody targeting IL-5 receptor

MedImmune has announced that it has initiated a Phase 2 clinical trial in patients with chronic asthma to determine the safety of subcutaneous dosing of a humanized monoclonal antibody (MAb) that targets the interleukin-5 receptor (IL-5R).

Vanderbilt scientists shed new light on how the brain executes 'mental time travel'

In Proust's novel Recollection of Things Past, the distinctive smell of a lemon madeleine launches the narrator on a long, involved reminiscence of his past that fills seven chapters.

New drug screening method may predict treatment options for patients with multiple myeloma

A personalized method for testing the effectiveness of drugs that treat multiple myeloma may predict quickly and more accurately the best treatments for individual patients with the bone marrow cancer. The process, developed by scientists at Washington University School of Medicine in St. Louis, also may aid patients with leukemia or lymphoma.

IPC The Hospitalist Company acquires Hospital Medicine Associates

IPC The Hospitalist Company, Inc., a leading national hospitalist physician group practice company, announced today that it has acquired Hospital Medicine Associates, P.C. (HMA).

Read more Medical News

› Verified 3 days ago

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. John Flaherty is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
John Flaherty, MD
680 N Lake Shore Dr, Suite 1000,
Chicago, IL 60611-4546

Ph: (312) 926-8358
John Flaherty, MD
676 N Saint Clair St, Suite 940,
Chicago, IL 60611-2927

Ph: (312) 926-8358

News Archive

Do patients at risk for B-cell malignancy need antiviral treatment?

Some studies have shown that a relationship of hepatitis C (HCV) infection with type II mixed cryoglobulinemia exists.

MedImmune starts phase 2 trial of antibody targeting IL-5 receptor

MedImmune has announced that it has initiated a Phase 2 clinical trial in patients with chronic asthma to determine the safety of subcutaneous dosing of a humanized monoclonal antibody (MAb) that targets the interleukin-5 receptor (IL-5R).

Vanderbilt scientists shed new light on how the brain executes 'mental time travel'

In Proust's novel Recollection of Things Past, the distinctive smell of a lemon madeleine launches the narrator on a long, involved reminiscence of his past that fills seven chapters.

New drug screening method may predict treatment options for patients with multiple myeloma

A personalized method for testing the effectiveness of drugs that treat multiple myeloma may predict quickly and more accurately the best treatments for individual patients with the bone marrow cancer. The process, developed by scientists at Washington University School of Medicine in St. Louis, also may aid patients with leukemia or lymphoma.

IPC The Hospitalist Company acquires Hospital Medicine Associates

IPC The Hospitalist Company, Inc., a leading national hospitalist physician group practice company, announced today that it has acquired Hospital Medicine Associates, P.C. (HMA).

Read more News

› Verified 3 days ago


Internal Medicine Doctors in Chicago, IL

Dr. Sorin C Danciu, M.D.
Infectious Disease
Medicare: Accepting Medicare Assignments
Practice Location: 3134 N Clark St, Chicago, IL 60657
Phone: 773-880-9722    
Anoopa A. Koshy, MD
Infectious Disease
Medicare: Accepting Medicare Assignments
Practice Location: 259 E Erie St Ste 2200, Chicago, IL 60611
Phone: 312-926-6000    
William Edmond Gerardi, M.D.
Infectious Disease
Medicare: Not Enrolled in Medicare
Practice Location: 3730 N Lake Shore Dr, Apartment 2a, Chicago, IL 60613
Phone: 773-244-3060    
Suparna Dutta, M.D.
Infectious Disease
Medicare: Accepting Medicare Assignments
Practice Location: 1700 W Van Buren St, Suite 500, Chicago, IL 60612
Phone: 312-942-4200    Fax: 312-942-3568
Alexandra Dumitrescu,
Infectious Disease
Medicare: Accepting Medicare Assignments
Practice Location: 5841 S Maryland Ave, Chicago, IL 60637
Phone: 888-824-0200    
Dr. Mitesh Mahesh Kabadi, M.D.
Infectious Disease
Medicare: Accepting Medicare Assignments
Practice Location: 1725 W Harrison St Ste 1159, Chicago, IL 60612
Phone: 312-942-5020    
Dr. Marta Batus, MD
Infectious Disease
Medicare: Accepting Medicare Assignments
Practice Location: 1725 W Harrison St, Suite 809, Chicago, IL 60612
Phone: 312-563-2487    Fax: 312-942-3192

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